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    • 1. 发明专利
    • Process for the recovery of secondary tin from tin coated metal objects
    • GB756863A
    • 1956-09-12
    • GB2090353
    • 1953-07-28
    • FRANCIS DANIEL MURPHY
    • C22B25/06
    • A solution of alkali metal stannate and/or stannite, formed by dissolving the tin from a tin-coated metal with a solution of (e.g. 5-10 per cent) caustic alkali into which (in the case of stannate) carbon dioxide-free air or oxygen is passed, is treated with an alkali earth metal hydroxide to produce the insoluble alkaline earth stannate, and/or stannite (e.g. barium stannate) which is removed, and the remaining solution recycled. The precipitated salt may be treated with sulphuric acid solution to form barium sulphate and stannous or stannic sulphate or with an alkali metal sulphate to form barium sulphate and alkali metal stannate or stannite, or with hydrochloric acid solution in the stoichiometric amount required to form alkaline earth metal chloride and to free tin as more or less hydrated oxide.ALSO:A tin coating, together with its corrosion products is removed from the metallic base by reacting the coated article with a solution of caustic alkali and removing tin from the resulting solution by addition of one or more of the alkaline earth hydroxides, the solution freed from the tin being recycled without further treatment to the tin dissolving stage.
    • 7. 发明申请
    • Method and apparatus for self-assigning addresses
    • 自动分配地址的方法和装置
    • US20070149122A1
    • 2007-06-28
    • US11315912
    • 2005-12-22
    • Daniel Murphy
    • Daniel Murphy
    • H04B7/00
    • H04W8/26H04L29/12254H04L29/1232H04L61/2038H04L61/2092H04W24/00H04W28/14H04W84/12H04W84/18
    • A method and apparatus for an electronic device 101 operating in a piconet 100 to assign itself a unique identifier 112 is provided. Once the device 101 assigns itself the unique identifier 112, which may be temporary in nature, the device 101 may use the temporary identifier 112 to identify itself to other devices 102-105 operating within the piconet 100, which may be a Bluetooth local area network. In accordance with one embodiment of the method, a device 101 may first scan the piconet 100 to determine device identifiers 113-116 corresponding to devices 102-105 that are operating within the piconet 100. After scanning the device 101 stores the device identifiers 113-116 in a list and queries the list to determine which identifiers are included in the list. The device 101 then selects the temporary, unique identifier 112 that is not found in the list. The unique identifier 112 may then be used to identify the device 101 to the piconet.
    • 提供了在微微网100中操作以分配自身唯一标识符112的电子设备101的方法和装置。 一旦设备101自己分配本身可能是临时的唯一标识符112,设备101可以使用临时标识符112来识别在微微网100内操作的其他设备102-105,其可以是蓝牙局域网 。 根据该方法的一个实施例,设备101可以首先扫描微微网100以确定对应于在微微网100内操作的设备102-105的设备标识符113-116。 在扫描之后,设备101将设备标识符113-116存储在列表中并查询列表以确定列表中包括哪些标识符。 然后,设备101选择列表中未找到的临时唯一标识符112。 然后可以使用唯一标识符112来识别到微微网的设备101。